Hourly Weather Forecast - Sierra Grande, Rio Negro, AR

12 AM
68°F
0%
11mph
SSW
Clear
Humidity
22%
Feels like
68°F
Dew Point
28°F
1 AM
66°F
0%
14mph
SSW
Clear
Humidity
25%
Feels like
66°F
Dew Point
29°F
2 AM
63°F
0%
17mph
SSW
Clear
Humidity
29%
Feels like
63°F
Dew Point
30°F
3 AM
61°F
0%
17mph
SSW
Clear
Humidity
32%
Feels like
61°F
Dew Point
31°F
4 AM
59°F
0%
17mph
SSW
Clear
Humidity
36%
Feels like
59°F
Dew Point
32°F
5 AM
57°F
0%
17mph
SSW
Clear
Humidity
39%
Feels like
57°F
Dew Point
32°F
5:42 AM
6 AM
56°F
0%
18mph
SSW
Mostly Sunny
Humidity
41%
Feels like
56°F
Dew Point
32°F
7 AM
57°F
0%
22mph
SSW
Windy
Humidity
37%
Feels like
57°F
Dew Point
31°F
8 AM
59°F
0%
26mph
SSW
Windy
Humidity
33%
Feels like
59°F
Dew Point
30°F
9 AM
61°F
0%
25mph
SSW
Windy
Humidity
30%
Feels like
61°F
Dew Point
29°F
10 AM
64°F
0%
22mph
SSW
Windy
Humidity
27%
Feels like
64°F
Dew Point
29°F
11 AM
66°F
0%
18mph
SSW
Partly Cloudy
Humidity
24%
Feels like
66°F
Dew Point
28°F
12 PM
69°F
0%
14mph
SSW
Partly Cloudy
Humidity
22%
Feels like
69°F
Dew Point
28°F
1 PM
71°F
0%
12mph
SSW
Sunny
Humidity
20%
Feels like
71°F
Dew Point
28°F
2 PM
73°F
0%
9mph
SSW
Sunny
Humidity
19%
Feels like
73°F
Dew Point
28°F
3 PM
74°F
0%
7mph
SSW
Sunny
Humidity
18%
Feels like
74°F
Dew Point
28°F
4 PM
74°F
0%
4mph
SE
Sunny
Humidity
19%
Feels like
74°F
Dew Point
29°F
5 PM
73°F
0%
13mph
NE
Mostly Sunny
Humidity
22%
Feels like
73°F
Dew Point
31°F
6 PM
71°F
0%
15mph
NE
Mostly Sunny
Humidity
27%
Feels like
71°F
Dew Point
35°F
7 PM
67°F
0%
15mph
ENE
Mostly Sunny
Humidity
35%
Feels like
67°F
Dew Point
38°F
8 PM
62°F
0%
13mph
ENE
Mostly Sunny
Humidity
43%
Feels like
62°F
Dew Point
40°F
8:53 PM
9 PM
58°F
0%
11mph
ENE
Mostly Clear
Humidity
54%
Feels like
58°F
Dew Point
42°F
10 PM
56°F
0%
10mph
E
Mostly Clear
Humidity
65%
Feels like
56°F
Dew Point
45°F
11 PM
55°F
0%
9mph
E
Partly Cloudy
Humidity
76%
Feels like
55°F
Dew Point
48°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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